Citazione Stile APA (7a Edizione)

Contopoulos, G. (1970). Structure and dynamics of the galactic system: Report. [International Astronomical Union].

Citazione stile Chigago Style (17a edizione)

Contopoulos, George. Structure and Dynamics of the Galactic System: Report. Thessaloniki, Greece: [International Astronomical Union], 1970.

Citatione MLA (9a ed.)

Contopoulos, George. Structure and Dynamics of the Galactic System: Report. [International Astronomical Union], 1970.